Truck bumper



FIG. 1 is a top perspective view of a truck bumper showing our newdesign, it being understood that the phantom lines are for illustrativepurposes only and form no part of the claimed design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a side elevation view of with the opposite side being a mirrorimage thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a side elevation view, in cross section, taken along the planof line 7--7 in FIG. 2.

The ornamental design for a truck bumper, as shown and described.